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CRC transmission data
When CRC check mode is selected, transmit data format needs to be configured as follows.
STX Commands CRC_HighETX CRC_Low
CRC calculation range
Item HEX (H) Description
STX 02 Transmission control character to start text
Commands - Commands+Parameter
ETX 03 Transmission control character to end text
CRC 2 bytes Calculate by computation method called
CRC-ANSI. Sends High first then Low
with error control value calculated
by CRC-16(generating polynomial
X
16
+X
15
+X
2
+1
*2
)
• Start of Data Transmission <A> and End of Data Transmission <Z> shall be set to the
command.
STX and ETX must to be set in transmission data. When printer cannot receive STX or ETX,
print operation is not executed.
• Since it is a right shift, the actual value used for calculation will be 0xA001. Initial value is 0.
Parent topic Bluetooth